asmjit::OpRWInfo Struct Reference

Read/Write information related to a single operand, used by InstRWInfo.

Public Members

Members

OpRWFlags _opFlags

uint8_t _physId

uint8_t _rmSize

uint8_t _consecutiveLeadCount

uint8_t _reserved[1]

uint64_t _readByteMask

uint64_t _writeByteMask

uint64_t _extendByteMask

Member Functions

Reset

void reset() noexcept

void reset(OpRWFlags opFlags, uint32_t regSize, uint32_t physId = BaseReg::kIdBad) noexcept

void _resetReserved() noexcept

Operand Flags

OpRWFlags opFlags() const noexcept

bool hasOpFlag(OpRWFlags flag) const noexcept

void addOpFlags(OpRWFlags flags) noexcept

void clearOpFlags(OpRWFlags flags) noexcept

bool isRead() const noexcept

bool isWrite() const noexcept

bool isReadWrite() const noexcept

bool isReadOnly() const noexcept

bool isWriteOnly() const noexcept

uint32_t consecutiveLeadCount() const noexcept

bool isRm() const noexcept

bool isZExt() const noexcept

bool isUnique() const noexcept

Memory Flags

bool isMemFake() const noexcept

bool isMemBaseUsed() const noexcept

bool isMemBaseRead() const noexcept

bool isMemBaseWrite() const noexcept

bool isMemBaseReadWrite() const noexcept

bool isMemBaseReadOnly() const noexcept

bool isMemBaseWriteOnly() const noexcept

bool isMemBasePreModify() const noexcept

bool isMemBasePostModify() const noexcept

bool isMemIndexUsed() const noexcept

bool isMemIndexRead() const noexcept

bool isMemIndexWrite() const noexcept

bool isMemIndexReadWrite() const noexcept

bool isMemIndexReadOnly() const noexcept

bool isMemIndexWriteOnly() const noexcept

Physical Register ID

uint32_t physId() const noexcept

bool hasPhysId() const noexcept

void setPhysId(uint32_t physId) noexcept

Reg/Mem Information

uint32_t rmSize() const noexcept

void setRmSize(uint32_t rmSize) noexcept

Read & Write Masks

uint64_t readByteMask() const noexcept

uint64_t writeByteMask() const noexcept

uint64_t extendByteMask() const noexcept

void setReadByteMask(uint64_t mask) noexcept

void setWriteByteMask(uint64_t mask) noexcept

void setExtendByteMask(uint64_t mask) noexcept

Member Function Documentation

void OpRWInfo::reset()noexcept[1/2]

Resets this operand information to all zeros.

void OpRWInfo::reset(OpRWFlags opFlags, uint32_t regSize, uint32_t physId = BaseReg::kIdBad)noexcept[2/2]

Resets this operand info (resets all members) and set common information to the given opFlags, regSize, and possibly physId.

OpRWFlags OpRWInfo::opFlags() constnoexcept

Returns operand flags.

bool OpRWInfo::hasOpFlag(OpRWFlags flag) constnoexcept

Tests whether operand flags contain the given flag.

void OpRWInfo::addOpFlags(OpRWFlags flags)noexcept

Adds the given flags to operand flags.

void OpRWInfo::clearOpFlags(OpRWFlags flags)noexcept

Removes the given flags from operand flags.

bool OpRWInfo::isRead() constnoexcept

Tests whether this operand is read from.

bool OpRWInfo::isWrite() constnoexcept

Tests whether this operand is written to.

bool OpRWInfo::isReadWrite() constnoexcept

Tests whether this operand is both read and write.

bool OpRWInfo::isReadOnly() constnoexcept

Tests whether this operand is read only.

bool OpRWInfo::isWriteOnly() constnoexcept

Tests whether this operand is write only.

uint32_t OpRWInfo::consecutiveLeadCount() constnoexcept

Returns the type of a lead register, which is followed by consecutive registers.

bool OpRWInfo::isRm() constnoexcept

Tests whether this operand is Reg/Mem.

Reg/Mem operands can use either register or memory.

bool OpRWInfo::isZExt() constnoexcept

Tests whether the operand will be zero extended.

bool OpRWInfo::isUnique() constnoexcept

Tests whether the operand must have allocated a unique physical id that cannot be shared with other register operands.

bool OpRWInfo::isMemFake() constnoexcept

Tests whether this is a fake memory operand, which is only used, because of encoding.

Fake memory operands do not access any memory, they are only used to encode registers.

bool OpRWInfo::isMemBaseUsed() constnoexcept

Tests whether the instruction's memory BASE register is used.

bool OpRWInfo::isMemBaseRead() constnoexcept

Tests whether the instruction reads from its BASE registers.

bool OpRWInfo::isMemBaseWrite() constnoexcept

Tests whether the instruction writes to its BASE registers.

bool OpRWInfo::isMemBaseReadWrite() constnoexcept

Tests whether the instruction reads and writes from/to its BASE registers.

bool OpRWInfo::isMemBaseReadOnly() constnoexcept

Tests whether the instruction only reads from its BASE registers.

bool OpRWInfo::isMemBaseWriteOnly() constnoexcept

Tests whether the instruction only writes to its BASE registers.

bool OpRWInfo::isMemBasePreModify() constnoexcept

Tests whether the instruction modifies the BASE register before it uses it to calculate the target address.

bool OpRWInfo::isMemBasePostModify() constnoexcept

Tests whether the instruction modifies the BASE register after it uses it to calculate the target address.

bool OpRWInfo::isMemIndexUsed() constnoexcept

Tests whether the instruction's memory INDEX register is used.

bool OpRWInfo::isMemIndexRead() constnoexcept

Tests whether the instruction reads the INDEX registers.

bool OpRWInfo::isMemIndexWrite() constnoexcept

Tests whether the instruction writes to its INDEX registers.

bool OpRWInfo::isMemIndexReadWrite() constnoexcept

Tests whether the instruction reads and writes from/to its INDEX registers.

bool OpRWInfo::isMemIndexReadOnly() constnoexcept

Tests whether the instruction only reads from its INDEX registers.

bool OpRWInfo::isMemIndexWriteOnly() constnoexcept

Tests whether the instruction only writes to its INDEX registers.

uint32_t OpRWInfo::physId() constnoexcept

Returns a physical id of the register that is fixed for this operand.

Returns BaseReg::kIdBad if any register can be used.

bool OpRWInfo::hasPhysId() constnoexcept

Tests whether physId() would return a valid physical register id.

void OpRWInfo::setPhysId(uint32_t physId)noexcept

Sets physical register id, which would be fixed for this operand.

uint32_t OpRWInfo::rmSize() constnoexcept

Returns Reg/Mem size of the operand.

void OpRWInfo::setRmSize(uint32_t rmSize)noexcept

Sets Reg/Mem size of the operand.

uint64_t OpRWInfo::readByteMask() constnoexcept

Returns read mask.

uint64_t OpRWInfo::writeByteMask() constnoexcept

Returns write mask.

uint64_t OpRWInfo::extendByteMask() constnoexcept

Returns extend mask.

void OpRWInfo::setReadByteMask(uint64_t mask)noexcept

Sets read mask.

void OpRWInfo::setWriteByteMask(uint64_t mask)noexcept

Sets write mask.

void OpRWInfo::setExtendByteMask(uint64_t mask)noexcept

Sets extend mask.

Member Data Documentation

OpRWFlags OpRWInfo::_opFlags

Read/Write flags.

uint8_t OpRWInfo::_physId

Physical register index, if required.

uint8_t OpRWInfo::_rmSize

Size of a possible memory operand that can replace a register operand.

uint8_t OpRWInfo::_consecutiveLeadCount

If non-zero, then this is a consecutive lead register, and the value describes how many registers follow.

uint8_t OpRWInfo::_reserved[1]

Reserved for future use.

uint64_t OpRWInfo::_readByteMask

Read bit-mask where each bit represents one byte read from Reg/Mem.

uint64_t OpRWInfo::_writeByteMask

Write bit-mask where each bit represents one byte written to Reg/Mem.

uint64_t OpRWInfo::_extendByteMask

Zero/Sign extend bit-mask where each bit represents one byte written to Reg/Mem.